Epidote
Dollase W A
American Mineralogist 56 (1971) 447-464
Refinement of the crystal structures of epidote, allanite and hancockite
_database_code_amcsd 0000226
8.914 5.640 10.162 90 115.4 90 P2_1/m
atom     x     y     z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Ca1  .7562   .75 .1510      .76  .0037  .0055  .0023      0  .0018      0
Ca2  .6042   .75 .4241      .92  .0036  .0103  .0014      0  .0005      0
Si1  .3396   .75 .0473      .41
Si2  .6851   .25 .2744      .48
Si3  .1844   .75 .3189      .42
Al1      0     0     0 .93  .51
Fe1      0     0     0 .05  .51
Al2      0     0    .5      .43
Fe3  .2946   .25 .2245 .76  .42  .0016  .0030  .0012      0  .0004      0
Al3  .2946   .25 .2245 .24  .42  .0016  .0030  .0012      0  .0004      0
O1   .2339 .9923 .0410      .70
O2   .3040 .9809 .3554      .63
O3   .7957 .0152 .3382      .79
O4   .0528   .25 .1294       .6
O5   .0417   .75 .1471       .6
O6   .0683   .75 .4078       .5
O7   .5164   .75 .1825       .6
O8   .5281   .25 .3099       .9
O9   .6265   .25 .0990      1.0
OH10 .0838   .25 .4298       .7